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Ticket Summary Status Owner Priority Milestone Component
#2374 MutableByteArray# is slower than Addr# new lowest 7.6.2 Compiler (NCG)
#2387 Optimizer misses unboxing opportunity new lowest 7.6.2 Compiler
#2401 aborting an STM transaction should throw an exception new low 7.6.2 Runtime System
#2408 threadWaitRead on mingw32 threaded causes internal error new normal 6.10.1 libraries/base
#2439 Missed optimisation with dictionaries and loops new simonpj lowest 7.6.2 Compiler
#2459 can't link haskell without "main" function, or -no-hs-main broken on windows? new lowest 7.6.2 Driver
#2465 View + Pattern Match not fused sufficiently new low Compiler
#2489 Registry keys are created in per-user HKCU instead of system-wide HKLM new normal None
#2496 Invalid Eq/Ord instances in Data.Version new duncan normal libraries/base
#2528 documentation for nub and nubBy should be corrected, extended or removed. new normal 7.8.3 libraries/base
#2530 deriving Show adds extra parens for constructor with record syntax new lowest 7.6.2 Compiler
#2607 Inlining defeats selector thunk optimisation new normal Compiler
#2625 Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields new low Compiler
#2628 hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows new normal libraries/base
#2642 Improve SpecConstr for join points new lowest 7.6.2 Compiler
#2697 bad testsuite results with ghc- new normal Compiler
#2710 -main-is flag in {-# OPTIONS #-} pragma not fully supported new lowest 7.6.2 Compiler
#2725 Remove Hack in compiler/nativeGen/MachCodeGen.hs new thoughtpolice high 7.8.3 Compiler (NCG)
#2731 Avoid unnecessary evaluation when unpacking constructors new lowest 7.6.2 Compiler
#2776 Document -pgmL (Use cmd as the literate pre-processor) new lowest 7.6.2 Documentation
#2786 Blackhole loops are not detected and reported in GHCi new normal GHCi
#2805 Test ffi009(ghci) fails on PPC Mac OS X new lowest 7.6.2 GHCi
#2867 Make a way to tell GHC that a pragma name should be "recognised" new lowest 7.6.2 Compiler
#2917 alloca and allocaArray do not respect alignment new normal Compiler (FFI)
#2926 Foreign exported function returns wrong type new low Compiler (FFI)
#2933 LDFLAGS ignored by build system new lowest 7.6.2 Build System
#2940 Do CSE after CorePrep new simonpj lowest 7.6.2 Compiler
#2988 Improve float-in new lowest 7.6.2 Compiler
#2991 .mix files generation broken with -fhpc and --make flags with lhs modules new andy@… lowest 7.6.2 Code Coverage
#3003 Happy does not reject pragmas new lowest 7.6.2 Build System
#3048 Heap size suggestion gets ignored when -G1 flag is passed new normal Runtime System
#3055 Int / Word / IntN / WordN are unequally optimized new lowest 7.6.2 Compiler
#3061 GHC's GC default heap growth strategy is not as good as other runtimes new lowest 7.6.2 Runtime System
#3065 Reorder tests in quot to improve code new lowest 7.6.2 libraries/base
#3070 floor(0/0) should not be defined new squadette lowest 7.6.2 Prelude
#3073 Avoid reconstructing dictionaries in recursive instance methods new lowest 7.6.2 Compiler
#3081 Double output after Ctrl+C on Windows new normal Runtime System
#3107 Over-eager GC when blocked on a signal in the non-threaded runtime new lowest 7.6.2 Runtime System
#3134 encodeFloat . decodeFloat new normal Prelude
#3138 Returning a known constructor: GHC generates terrible code for cmonad new lowest 7.6.2 Compiler
#3178 Fix linking -lpthread for semaphores new normal libraries/unix
#3184 package.conf should be under /var, not /usr new low 7.6.2 Package system
#3191 hpc reports spurious results with .lhs files even after processing with ghc -E new andy@… lowest 7.6.2 Code Coverage
#3231 Permission denied error with runProcess/openFile new simonmar normal 7.6.2 libraries/base
#3238 CInt FFI exports do not use C int in _stub.h header file new lowest 7.6.2 Compiler (FFI)
#3242 ghci: can't load .so/.DLL for: m (addDLL: could not load DLL) new normal 7.6.2 GHCi
#3266 Segment fault with WxHaskell and GHC 6.10.2 new normal Compiler
#3321 -fhpc assumes original sources relative to the current directory new lowest 7.6.2 Compiler
#3351 Generated ghc man page missing xrefs new lowest 7.6.2 Documentation
#3353 Add CLDouble support new normal Compiler
#3354 binaries built with GHC on Mac OS X 10.5 (Leopard) do not work on 10.4 (Tiger) new normal Build System
#3376 hpc and CPP don't mix on Windows new andy@… lowest 7.6.2 Code Coverage
#3427 control what sort of entity a deprecated pragma applies to new low 7.6.2 Compiler
#3458 Allocation where none should happen new lowest 7.6.2 Compiler
#3470 OSX installer should give an informative error message when XCode is missing new lowest 7.6.2 Build System
#3472 Porting through .hc files broken new high 7.8.3 Build System
#3509 not found on Mac OS X (10.5.8) new lowest 7.6.2 Build System
#3517 GHC has lots of extra hidden IOErrorType values new low 7.6.2 libraries/base
#3533 mac installer package deletes old version of ghc new lowest 7.6.2 Compiler
#3543 -fext-core doesn't force recompilation when .hcr file doesn't exist new lowest 7.6.2 Driver
#3549 unlit does not follow H98 spec new normal Compiler
#3569 ghci can't handle utf-8 chinese char correctly when modify. new judah normal GHCi
#3571 Bizzarely bloated binaries new lowest 7.6.2 Compiler
#3575 mkStdGen and split conspire to make some programs predictable new rrnewton normal libraries/random
#3588 ghc -M should emit dependencies on CPP headers new low 7.6.2 Compiler
#3606 The Ord instance for unboxed arrays is very inefficient new lowest 7.10.1 libraries (other)
#3620 The seeds generated by split are not independent new rrnewton normal libraries/random
#3625 GHCI doesn't work with dtrace on OS X new low 7.6.2 GHCi
#3628 exceptions reported to stderr when they propagate past forkIO new normal libraries/base
#3649 inconsistent exception between unix/windows for running non-existant program new low 7.6.2 libraries/process
#3654 Mach-O GHCi linker lacks support for a range of relocation entries new normal 7.6.2 Runtime System
#3676 realToFrac doesn't sanely convert between floating types new normal libraries (other)
#3831 SpecConstr should exploit cases where there is exactly one call pattern new simonpj high 7.8.3 Compiler
#3927 Incomplete/overlapped pattern warnings + GADTs = inadequate new simonpj high 7.8.3 Compiler
#3990 UNPACK doesn't unbox data families new low 7.6.2 Compiler
#4005 Bad behaviour in the generational GC with paraffins -O2 new normal Runtime System
#4022 GHC Bindist is Broken on FreeBSD/amd64 new pgj lowest 7.6.2 libraries (other)
#4081 Strict constructor fields inspected in loop new benl low 7.6.2 Compiler
#4101 Primitive constant unfolding new schyler low 7.6.2 Compiler
#4139 Spurious non-exhaustive pattern match warnings are given using GADTs new normal 7.0.1 Compiler
#4144 Exception: ToDo: hGetBuf - when using custom handle infrastructure new high 7.10.1 libraries/base
#4245 ghci panic: thread blocked indefinitely in an MVar operation new tibbe high 7.6.2 GHCi
#4366 in-tree GMP build problem with shared libraries new low 7.6.2 Build System
#4413 (^^) is not correct for Double and Float new tcsavage low 7.6.2 libraries/base
#4824 Windows: Dynamic linking doesn't work out-of-the-box new low 7.6.2 Runtime System
#4837 Template Haskell does not work in a profiled compiler. new low 7.6.2 Profiling
#4896 Deriving Data does not work for attached code new low 7.6.2 Compiler
#5014 canonicalizePath throws exception on paths that do not exist new low 7.6.2 libraries/directory
#5051 Typechecker behaviour change new high 7.2.1 Compiler
#5071 GHCi crashes on large alloca/allocaBytes requests new normal Compiler
#5289 Can't use ghci with a library linked against libstdc++ new normal 7.6.2 GHCi
#5333 Arrow command combinators and infixr cause the desugarer to fail new ross low 7.6.2 Compiler (Parser)
#5395 Context reduction stack overflow without undecidable instances new normal Compiler
#5401 LANGUAGE pragma parser nit new normal 7.6.2 Compiler (Parser)
#5442 ghc-pkg unregister --user/--global/--package-conf not normative new bgamari high 7.8.3 ghc-pkg
#5448 GHC stuck in infinite loop compiling with optimizations new normal Compiler
#5537 ghc doesn't find in testsuite new low 7.6.2 Test Suite
#5539 GHC panic - Simplifier ticks exhausted new simonpj high 7.6.2 Compiler
#5599 msys has bad Unicode support new normal 7.4.1 Compiler
#5615 ghc produces poor code for `div` with constant powers of 2. new normal 7.6.2 Compiler
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